SOLUTION: I'm trying to solve a few equations that I just can not seem to understand, please advise: 1. trying to solve: -1/4(x-8)+1/2(x+2)=x+9 2. trying to solve by elimination met

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Question 188641: I'm trying to solve a few equations that I just can not seem to understand, please advise:
1. trying to solve: -1/4(x-8)+1/2(x+2)=x+9
2. trying to solve by elimination method: 3x-4y=41
2y=25-5x
3. trying to solve by substitution method: 15x-20y=-7
15y=5+10x
Thank you so much!

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!




Multiply by -4:




Distribute:



Collect terms:





Checking the answer is left as an exercise for the student.

John


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